Answer: B. Respiratory brings oxygen into the body and sends carbon dioxide out
hiiiiiiiii!!!!!!!! ______-_-
Answer:
haiiiiiiiiiii :) :) :)
Answer:
.
Explanation:
PLEASE HELP NOW PLESE
Answer:
1. true
2. false
3. false
4. true
Oxygen-poor blood flows out of the heart and into the lungs. Nutrients and oxygen are sent to other cells and parts of the body. The blood then returns to the heart to begin the process again. Which of the body's systems is the above process describing? Answers (A) -The skeletal system (B)-The digestive system (C)-The respiratory system (D)-The circulatory system
Answer:
(D)-The circulatory system
Explanation:
lol just did it
and pls give me thanks
The circulatory system is the system which consist of blood vessels, heart, and blood. The main function of this system is the transport of oxygen and minerals to all the cells of body. Thus, the correct option is D.
What is Circulatory System?The circulatory system of body consists of all the blood vessels, blood and heart. In this system, blood travels through different blood vessels (arteries, veins, and capillaries) in all parts of the body.
The blood is the main fluid of the body that contains hemoglobin protein which is responsible for the transport of oxygen and carbon dioxide in the body. The blood exchanges gases at the surface of alveoli in the lungs and sends the blood to the heart, heart pumps the blood to all the cells of body.
Therefore, the correct option is D.
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Many different types of mutations can occur within the body. An individual experiences a mutation that changes a base in
a mRNA strand, but during translation the mRNA strand still creates the same protein. Which type of mutation is
responsible for the change in the mRNA base?
A.silent
B.missense
C.nonsense
D.insertion
Answer:
A. Silent, The type of mutation responsible for changing a base in the mRNA strand, without changing the coding aminoacid or protein, is called a silent mutation.
Explanation:
In a silent mutation occurs the change of a nitrogenous base in one of the codons that encodes an aminoacid, without changing the aminoacid or altering the structure or function of the protein to be synthesized.
In this type of mutations the change of the base does not mean the change of the aminoacid, because some aminoacids can be coded with more than one codon. In the case of Leucine, the codons that encode it are CUU, CUC, CUG or CUA, so even if a base changes, the final protein will be the correct one.
For the other options:
Missense: the change of the base in the DNA chain implies the change of the codon in the mRNA and of the encoded aminoacid, in that way a structural and functional alteration of the synthesized protein occurs. Nonsense: the change in the nitrogenous base in the DNA leads to the coding of a termination codon, so that the protein is ultimately incomplete. Insertion: in this case there is the addition of more nitrogenous bases to the DNA chain, with respect to the original one.Answer:
Silent
Explanation:
Edge 2021
Identify the phase of mitosis for each plant cell diagram shown below.
Answer:
1. Metaphase
2. Prophase
3. Telophase
4, 5, 6, 8. Interphase
7. Anaphase
Explanation:
Mitosis is a cell division involving the formation of two genetically daughter cells. The process of mitosis involves stages including: interphase, prophase, metaphase, anaphase and telophase.
Interphase is the resting stage of the cell. It is th stage where the cell prepares for the division. Numbers 4, 5, 6, and 8 in the image are stages of interphase.
Prophase is the stage where the chromosomes become visible and arrange in pairs. Number 2 in the image depicts a plant cell in prophase stage.
Metaphase is the stage where the chromosomes align at the equator/middle of the cell. This alignment orients the chromosomes for separation. Image 1 depicts this metaphase stage.
Anaphase stage is the stage where the chromosomes separate into opposite poles of the cell. Image 7 depicts the anaphase stage of this plant cell.
In the Telophase stage, the cell plate forms to divide the plant cell into two. This is shown in image 3.
The cellular phases include Interphase (Figs. 4, 5, 6, 8), Prophase (Fig. 2), Metaphase (Fig. 1), Anaphase (Fig. 7) and Telophase (Fig. 3).
The cell cycle can be divided into two major phases: Interphase and mitotic M phase.The Interphase is classified into three subphases: Growth G1 phase, synthesis S phase and Growth G2 phase.The M phase can in turn be divided into Prophase, Metaphase, Anaphase and Telophase.In conclusion, the cellular phases include Interphase (Figs. 4, 5, 6, 8), Prophase (Fig. 2), Metaphase (Fig. 1), Anaphase (Fig. 7) and Telophase (Fig. 3).
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Which of these best describes the change in population of a country where
the total fertility rate exceeds the replacement fertility rate, without
considering immigration rate, emigration rate, or death rate?
Answer:
Rising
Explanation:
Picture proof
why herbaceous plants drop their leaves in hot and dry weather while woody plants remain erect
Answer:to let the leaves dry out
Explanation:
Janelle thinks that genetic engineering could be used to
make a larger fruit rather than cloning the fruit. Which would best support her point of view? A. Genetic engineering does not cost as much.
B. Genetic engineering does not result in genetically identical organisms. C. Genetically engineered foods never cause allergies in people. D. Genetically engineered foods have not been modified.
Genetic engineering is the process by which scientists choose a particular group of genes and insert them into an organism in such a way that the resulting features will be beneficial to the organism. Therefore, option (B) is correct.
What is genetic engineering?The modification and manipulation of an organism's genes through technology is known as genetic engineering, often referred to as genetic modification or genetic manipulation.
Genetic engineering, often known as genetic alteration, is a technique that modifies an organism's DNA using technology developed in labs. This could entail altering a single base pair (A-T or C-G), erasing a section of DNA, or incorporating new DNA. Therefore, option (B) is correct.
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Answer:b
Explanation:
True or False: If a planet were to stop moving relative to the sun, gravity would draw that planet into the sun.
Answer:
True
Explanation:
what is cytokinesis important for?
Answer:
I'm not really sure sorry
An elephant is a multicellular organism that weighs about 200 pounds at birth and can grow to weigh as much as 15,000 pounds. What increases as the elephant grows into an adult?
The collection of water in each cell
⊝
The amount of energy in its cells
⊝
The size of each body cell
⊝
The number of cells i
Answer:
D?
Explanation:
Im assuming the last one is "The number of cells in its body". If so, that is the right one.
in a flower sperm is made by the filament pistil ovary or anther
Answer:
It is the anther.
Explanation:
The anther is comparable to the make testis. These give rise tomale sperm cells.
Why is cooperative binding of hemoglobin adaptive?
Does anyone know if these are correct, I’m just asking because idk if they are correct or not.
Yes, these are correct
If energy is released, free energy must be what?
Answer:
If energy is released during a chemical reaction, then the change in free energy from the conversion of the reactants to the products, signified as ΔG (delta G) will be a negative number.
Explanation:
Hope it helped!
Answer:
If energy is released during a chemical reaction, then the resulting value from the above equation will be a negative number. In other words, reactions that release energy have a ∆G < 0. A negative ∆G also means that the products of the reaction have less free energy than the reactants because they gave off some free energy during the reaction.
Explanation:
Where do the most powerful earthquakes on Earth occur?
Answer:
Most earthquakes happen at or near the boundaries between Earth's tectonic plates
Explanation:
because that's where there is usually a large concentration of faults. Some faults crack through the Earth because of the stress and strain of the moving plates.
If you don't know where the tectonic plates are there is a lot of maps out there :>
theres these platetechtonics at the bottom of some places at earth, but i dont know where.
Even though sunlight looks white, what is it really made up of?
Answer:
White light means your not missing any of the visible color spectrum, so all the colors.
Explanation:
how are elemens and compouds related,
Answer:
An element is a material that consists of a single type of atom. which Each atom type contains the same number of protons. the Chemical bonds link elements together to form more complex molecules called compounds. A compound consists of two or more types of elements held together by covalent or ionic bonds.
Explanation:
can someone please help me figure this out! due in 10 mins!! 20 POINTS!!!!
Solve the scrambled letter according to the clue: nlpituloo _ _ _ _ _ _ _ _ _: Litter on the ground or harmful chemicals in the water. Who answers correctly will have 30 bonus pts.
Answer:
pollution
Explanation:
The correct word would be pollution.
Pollution can be described as the presence of ecologically harmful substances in the environment.
Littering the ground is considered pollution because it is harmful to the environment in the long term. Harmful chemical in water is outrightly considered pollution because this will hurt the organisms living in the water and rendered the water unusable to those around it.
Answer:
same for m pollution
Explanation:
Work divided by time is the formula for- (W = T)
O Force
Work
Power
Energy
Answer:
Power
Explanation:
The formula work divided by time is the expression for finding the power consumed or expended by a body.
Power is defined as the rate at which work is done.
Power = [tex]\frac{work done}{time taken}[/tex]
The unit is always expressed in watts and symbolized as W
Work done is force applied to move a body through a certain distance.
When a billiard ball moves across a table, it experiences _________.
Explanation:
etsa super el experimento
When a billiard ball moves across a table, it experiences friction as billiards is a popular sport that requires good hand-eye coordination and is played at leisure using a stick and balls.
What is the significance of the billiard game?It is an old game played in leisure time with a stick and balls on a table and It is a test of skill, precision, and focus that requires good hand-eye coordination and the ability to make accurate shots, and it can be played either individually or by teams. It is also a competitive sport where professional billiards organizations and tournaments around the world take place.
Hence, when a billiard ball moves across a table, it experiences friction as billiards is a popular sport that requires good hand-eye coordination and is played at leisure using a stick and balls.
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Can someone help me write a short speech for this? I’ll give brainliest
Answer:
I sure hope this helps you!
Explanation:
Flying through the air I feel in need of food. Down under me is a beautiful ocean. On that oceans surface, there are lots of phytoplankton. Enough for me, enough for my family. This phytoplankton down under me has lived its life, eaten other organisms, and those organisms eat organisms. Now, is my turn. Tis the circle of life, they eat, I eat. Someday, something will eat me. Eating is very important to the living kind. It helps us stay healthy and alive. This, is my story of The Importance of Upwelling.
PLEASE HELP!!!!!!
The energy available at the trophic level that has producers is 1000 kilocalories. How much of this energy is most likely transferred to the trophic level that has primary consumers? A. 1 kilocalories B. 10 kilocalories C.100 kilocalories D. 1000 kilocalories
Answer:
C. 100 kilocalories
Explanation:
Only a little amount of energy as 10% is transferred to the next trophic level. This is called 10% rule.
Answer:
C
Explanation:
Who is credited with creating the first accurate model of DNA? Rosalind Franklin Friedrich Miescher James Watson and Francis Crick Marshall Nirenberg and Heinrich Matthaei
Answer:
The answer is C
Explanation:
The persons credited by accurate model of DNA are James Watson and Francis Crick.
What is model of DNA?
The molecular models of DNA structures are representations of the molecular geometry and topology of deoxyribonucleic acid (DNA).
First accurate model of DNAThe first accurate model of DNA also known as 3-dimensional double helix structure of DNA, was correctly elucidated by James Watson and Francis Crick.
Thus, the persons credited by accurate model of DNA are James Watson and Francis Crick.
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potato plants also produce flowers and reproduce sexually how does being able to reproduce asexually benefit the plant
Being able to reproduce asexually benefits the plant because the plant will mature much faster than a plant the produces sexually.
There are ________________________ amendments to the Constitution.
Answer:
27 amendments as of 2020
Explanation:
Hope i helped!
what is the meaning of ecology.... please don,t miss this chance
Answer:
Ecology is the branch of biology concerning the spatial and temporal patterns of the distribution and abundance of organisms,including the causes and consequences
why does an ecosystem have a carrying capacity?
1.270 calves were born from gray-variegated cattle. Of these, 136 have parental coloring. Determine the genotype and phenotype of the rest of the offspring, if it is known that the gray-variegated coloration occurs when crossing black and white individuals.
2.In some breeds of sheep there are animals without ears and animals with long ears. When they are crossed, animals with short ears are obtained. What offspring will be obtained by crossing short-eared animals and by crossing short-eared rams with long-eared sheep?
Answer:
This is hard
Explanation: